AirHint found the following cheapest return flights from Porto (OPO) to Bangkok (BKK) in January 2026 (see full year).

Return flights

12 Jan - 09 Feb	Qatar Airways
01 Jan - 20 Jan	British Airways
26 Jan - 06 Feb	British Airways
23 Jan - 02 Feb	Qatar Airways
27 Jan - 10 Feb	Qatar Airways
09 Jan - 23 Jan	Qatar Airways
11 Jan - 24 Jan	Qatar Airways
23 Jan - 10 Feb	Qatar Airways
27 Jan - 08 Feb	Qatar Airways
18 Jan - 28 Jan	Air France
10 Jan - 26 Jan	KLM
07 Jan - 25 Jan	Air France
02 Jan - 16 Jan	Qatar Airways
08 Jan - 22 Jan	Qatar Airways
09 Jan - 24 Jan	SWISS

Also check the deals for one-way flights from Porto to Bangkok in January.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Porto to Bangkok in January from $807

Return flights